Home / 20,574.52-28,366.32-16,793.80

Finding the Fourth Proportional to 20,574.52, 28,366.32 and 16,793.80

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Solution

The fourth proportional to 20,574.52, 28,366.32 and 16,793.80 is: 23,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.52 : 28,366.32 = 16,793.80 : x
  2. Step 2: Convert to fraction form
    20,574.52/28,366.32 = 16,793.80/x
  3. Step 3: Cross multiply
    20,574.52x = 28,366.32 × 16,793.80
  4. Step 4: Simplify right side
    20,574.52x = 476,378,304.82
  5. Step 5: Solve for x
    x = 476,378,304.82/20,574.52
  6. Step 6: Final answer
    x = 23,153.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.